338 GLOSSARY Pare: Peel. Parenthesis: An explanation inserted in a sentence. The fol- lowing curved lines (). Paresis: A mild form of paralysis. Paretic: Relating to paresis; partially paralyzed. Parity: Equality; like state or degree; analogy; close resem- blance. Paroxysm: Fit; convulsion; spasm. Patent: Clear; plain; manifest. Pathogenic: Giving origin to disease; causing illness. Pathological: Relating to disease. Pathologist: One versed or skilled in pathology, the science of disease. Patter-song: A comic song in which the words are uttered with extreme rapidity. Paucity: Fewness; smallness in number. Pectoral: Relating to the chest. Pemmican: A food used by explorers. Percussion: The act of striking; the shock produced by a blow. Perforce: Necessarily; by all means. Peripheral: External; at the surface of the body. Peripherie: Same as peripheral. Periphrasis: A roundabout expression; a circumlocution. Periphrases: Plural of periphrasis. Pernicious: Hurtful; vicious; injurious. Peroration: The concluding part of an oration. Per se: By itself; in and of itself. Perspicuity: Clearness; plainness. Pertinent: Fitting; proper; suitable; not foreign to the matter. Perversion: The act of perverting, corrupting, or distorting; the state of being thus perverted; impairment; injury; distortion.